feat: sync theme with host appearance

refs #675

1 files changed, 55 insertions, 5 deletions

diff --git a/src/app/theme_sync.rs b/src/app/theme_sync.rs
index a45818df..392d6f59 100644
--- a/src/app/theme_sync.rs
+++ b/src/app/theme_sync.rs
@@ -16,15 +16,54 @@ impl App {
         kind: crate::terminal_theme::DefaultColorKind,
         color: crate::terminal_theme::RgbColor,
     ) -> bool {
+        let mut changed = false;
+        if matches!(kind, crate::terminal_theme::DefaultColorKind::Background)
+            && !self.state.host_terminal_appearance_explicit
+        {
+            changed |= self.set_host_terminal_appearance(color.inferred_appearance(), false);
+        }
         let next_theme = self.state.host_terminal_theme.with_color(kind, color);
-        self.set_host_terminal_theme(next_theme)
+        changed | self.set_host_terminal_theme(next_theme)
+    }
+
+    pub(super) fn set_host_terminal_appearance(
+        &mut self,
+        appearance: crate::terminal_theme::HostAppearance,
+        explicit: bool,
+    ) -> bool {
+        if self.state.host_terminal_appearance == Some(appearance)
+            && self.state.host_terminal_appearance_explicit == explicit
+        {
+            return false;
+        }
+        if self.state.host_terminal_appearance_explicit && !explicit {
+            return false;
+        }
+        self.state.host_terminal_appearance = Some(appearance);
+        self.state.host_terminal_appearance_explicit = explicit;
+        self.refresh_effective_app_theme()
+    }
+
+    pub(crate) fn set_host_terminal_appearance_state(
+        &mut self,
+        appearance: Option<crate::terminal_theme::HostAppearance>,
+        explicit: bool,
+    ) -> bool {
+        if self.state.host_terminal_appearance == appearance
+            && self.state.host_terminal_appearance_explicit == explicit
+        {
+            return false;
+        }
+        self.state.host_terminal_appearance = appearance;
+        self.state.host_terminal_appearance_explicit = explicit;
+        self.refresh_effective_app_theme()
     }
 
     pub(crate) fn set_host_terminal_theme(
         &mut self,
         theme: crate::terminal_theme::TerminalTheme,
     ) -> bool {
-        if theme.is_empty() || theme == self.state.host_terminal_theme {
+        if theme == self.state.host_terminal_theme {
             return false;
         }
         self.state.host_terminal_theme = theme;
@@ -32,11 +71,22 @@ impl App {
         true
     }
 
-    fn apply_host_terminal_theme_to_panes(&self) {
-        if self.state.host_terminal_theme.is_empty() {
-            return;
+    pub(super) fn refresh_effective_app_theme(&mut self) -> bool {
+        let (palette, theme_name) = super::resolve_effective_theme(
+            &self.state.theme_runtime,
+            self.state.host_terminal_appearance,
+        );
+        if self.state.theme_name == theme_name && self.state.palette == palette {
+            return false;
         }
+        self.state.theme_name = theme_name;
+        self.state.palette = palette;
+        self.render_dirty.store(true, Ordering::Release);
+        self.render_notify.notify_one();
+        true
+    }
 
+    fn apply_host_terminal_theme_to_panes(&self) {
         for runtime in self.terminal_runtimes.values() {
             runtime.apply_host_terminal_theme(self.state.host_terminal_theme);
         }